ABSTRACT

Proliferative trichilemmal tumor is a skin neoplasm derived from a hair follicle. It is more frequent in women and its prevalance increases after the 6th decade.

Although the most frequent site is mentioned as hairy skin, it can also be detected on the neck, face, ear, hand and vulva. In this case, we discussed a 49 year old female patient presenting with a mass at right axillary region. The result of biopsy demonstrated that it was a proliferative trichilemmal tumor. The patient was re-operated due to the presence of surgical border positivity. The patient, who had no adjuvant treatment, is under follow-up and in remission. (Turk J Dermatol 2011; 5: 18-20)